选择方框中动词词组的适当形式填空。 dress up take part in pay attention to laugh at depend on 小题1:When she falls into water, some people _____________ her and some people help to save her. 小题2:The little children must ____________ their parents. 小题3:I will have a party, so I want to _____________ beautifully. 小题4:We should _______________different activites at college. 小题5:If you want to improve your English, you should _______________ your pronunciation.